An insect growth regulator (IGR) is a substance (chemical) that inhibits the life cycle of an insect. IGRs are typically used to control populations of harmful pests, such as cockroaches or fleas.n insect growth regulator (IGR) is a substance (chemical) that inhibits the life cycle of an insect. IGRs are typically used to control populations of harmful pests, such as cockroaches or fleas.
Nutrition to Help Bone Healing. Dairy products, rich in calcium, can help speed bone recovery. A number of nutrients, most notably calcium, can help speed the process of healing broken or damaged bones. However, one of the most important nutritional moves you can make is preventive in nature. Ensure the health and integrity of your bones by eating a diet rich in the nutrients that bones need to stay strong.
Antioxidants help your body repair cells damaged by free radicals. The most common antioxidants are beta-carotene, lycopene and vitamins A, C and E. Antioxidants can also be found in fruits, vegetables and teas. Most experts believe that getting antioxidants from food is the most healthful way to obtain them but they may also be taken as supplements.